Volume flow controller for pre-regulating the volume flow before the valve. Direct connection to air distributor with DN 75 connection. Tool-free adjustability in 12 steps +-2,000 Pa System tightness Tightness class D according to DIN EN 12237 or ATC2 according to EN 16798-3 Fire behavior class E according to EN 13501-1 Operating temperature -20 - + 60 °C Antistatic and antimicrobial Food-grade material All properties independently tested and certified by TÜV Süd or ISEGA Manufacturer: Wolf GmbH Article number: 2577834
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